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Commit 3821af2f authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

[FLS64]: generic version 



Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c865e5d9

include/asm-alpha/bitops.h

+1 −0
Original line number Diff line number Diff line
@@ -321,6 +321,7 @@ static inline int fls(int word) 
#else

#define fls	generic_fls

#endif

#define fls64   generic_fls64



/* Compute powers of two for the given integer.  */

static inline long floor_log2(unsigned long word)

include/asm-arm/bitops.h

+2 −0
Original line number Diff line number Diff line
@@ -332,6 +332,7 @@ static inline unsigned long __ffs(unsigned long word) 
 */



#define fls(x) generic_fls(x)

#define fls64(x)   generic_fls64(x)



/*

 * ffs: find first bit set. This is defined the same way as
@@ -351,6 +352,7 @@ static inline unsigned long __ffs(unsigned long word) 
#define fls(x) \

	( __builtin_constant_p(x) ? generic_fls(x) : \

	  ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )

#define fls64(x)   generic_fls64(x)

#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })

#define __ffs(x) (ffs(x) - 1)

#define ffz(x) __ffs( ~(x) )

include/asm-arm26/bitops.h

+1 −0
Original line number Diff line number Diff line
@@ -259,6 +259,7 @@ static inline unsigned long __ffs(unsigned long word) 
 */



#define fls(x) generic_fls(x)

#define fls64(x)   generic_fls64(x)



/*

 * ffs: find first bit set. This is defined the same way as

include/asm-cris/bitops.h

+1 −0
Original line number Diff line number Diff line
@@ -240,6 +240,7 @@ static inline int test_bit(int nr, const volatile unsigned long *addr) 
 */



#define fls(x) generic_fls(x)

#define fls64(x)   generic_fls64(x)



/*

 * hweightN - returns the hamming weight of a N-bit word

include/asm-frv/bitops.h

+1 −0
Original line number Diff line number Diff line
@@ -228,6 +228,7 @@ static inline int find_next_zero_bit(const void *addr, int size, int offset) 
							\

	bit ? 33 - bit : bit;				\

})

#define fls64(x)   generic_fls64(x)



/*

 * Every architecture must define this function. It's the fastest